noun ·see phaethon.
2. phaeton ·noun a four-wheeled carriage (with or without a top), open, or having no side pieces, in front of the seat. it is drawn by one or two horses.
3. phaeton ·noun a handsome american butterfly (euphydryas, / melitaea, phaeton). the upper side of the wings is black, with orange-red spots and marginal crescents, and several rows of cream-colored spots;
called also baltimore.